首页 \ 问答 \ 针对多个XSD验证XML文件并知道哪个验证文件（jdom2）(Validate XML file against several XSD and know which one validates the file (jdom2))

针对多个XSD验证XML文件并知道哪个验证文件（jdom2）(Validate XML file against several XSD and know which one validates the file (jdom2))

 我想对两个不同的XSD验证XML文件，知道XML文件不必针对它们而是仅针对其中的一个进行验证。 然后我需要知道哪个XSD文件验证XML文件以访问不同的元素。  
 XSD文件属于以下类型： sdf和csdf但我有自己的版本，因此我不使用XML标头中存在的模式（我不想要求用户修改它）。  
 问题：如何轻松地进行验证测试，然后使用单个XML库（如果可能的话，使用jdom2）解析XML文件（根据正确的模式）？  
 目前我使用javax进行验证，使用jdom2访问元素，但我认为/希望可以使用单个库做同样的事情，至少为了不再一次解析文件。 正如在一个类似的问题中指出的那样，为了了解javax是如何工作的，我宁愿不吸毒。 

I would like to validate XML files against two different XSD, knowing that the XML file does not have to be validated against both of them but only one of them. Then I need to know which XSD file validates the XML file in order to access different elements. 
The XSD files are of this types: sdf and csdf but I have my own versions so I do not use the schema present in the XML header (and I don't want to require the user to modify this).  
Question: how to easily do the validation test and then parse the XML file (according to the right schema) using a single xml library (and if possible jdom2) ? 
Currently I use javax for the validation and jdom2 to access elements but I think/hope it is possible to do the same thing using one single library, at least in order to do not parse again and again the files. And well, as pointed out in a smilar question, I'd prefer to do not take drugs in order to understand how javax works.

原文：https://stackoverflow.com/questions/35199527

更新时间：2022-12-07 08:12

最满意答案

SELECT prod_id, prod_name, SUM(quantity) 
FROM purchasesdetails 
LEFT JOIN products ON (products._id=purchasesdetails.prod_id) 
GROUP BY prod_id where prod_in not in SELECT prod_id 
FROM notedetails 
LEFT JOIN products 
ON(notedetails.prod_id=products._id) 
GROUP BY prod_id
 
 你可以不用in子句。 

SELECT prod_id, prod_name, SUM(quantity) 
FROM purchasesdetails 
LEFT JOIN products ON (products._id=purchasesdetails.prod_id) 
GROUP BY prod_id where prod_in not in SELECT prod_id 
FROM notedetails 
LEFT JOIN products 
ON(notedetails.prod_id=products._id) 
GROUP BY prod_id
 
U can use not in clause.

针对多个XSD验证XML文件并知道哪个验证文件（jdom2）(Validate XML file against several XSD and know which one validates the file (jdom2))

最满意答案

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